Heat Flux From A Vapor-Dominated Hydrothermal Field Beneath Yellowstone Lake, Julia E. Favorito, Robert N. Harris, Robert A. Sohn, Shaul Hurwitz, Karen M. Luttrell

Faculty Publications

We report results from 149 heat flux measurements made over n ∼2-year interval at sites in and around a vapor-dominated geothermal field located at water depths of ∼100–120 m in Yellowstone Lake, Wyoming. Measurements of both in situ temperature and thermal conductivity as a function of depth were made with a 1 m probe via a remotely operated vehicle, and are combined to compute the vertical conductive heat flux. Inside the ∼55.5 × 10³ m² bathymetric depression demarcating the vapor-dominated field, the median conductive flux is 13 W m⁻², with a conductive output of 0.72 MW. …

Restoring Trust In Truth-Seekers: Effects Of Op/Eds Defending Journalism And Justice, Raymond J. Pingree, Martina Santia, Kirill Bryanov, Brian K. Watson

Faculty Publications

A healthy democracy requires trust that people can be impartial in important truth-seeking institutions including journalism, justice, and science. Recently some U.S. elites have adopted alarmingly extreme rhetoric against truth-seekers, denouncing mainstream journalism as fake news, criminal investigations as partisan witch-hunts, climate science as a hoax, and career civil servants as a deep state conspiracy. In response, some news organizations have taken the unusual step of publishing op/eds defending these institutions. Two experiments tested effects of such op/eds. In study 1, participants spent twelve days using a purpose-built news portal containing real, timely news with random assignment to the availability …

Healthy Eating In Low-Income Rural Louisiana Parishes: Formative Research For Future Social Marketing Campaigns, Linda Fergus, Richie Roberts, Denise Holston

Faculty Publications

No abstract provided.

Α-Cgrp Disrupts Amylin Fibrillization And Regulates Insulin Secretion: Implications On Diabetes And Migraine, Amber L.H. Gray, Aleksandra Antevska, Benjamin A. Link, Bryan Bogin, Susan J. Burke, Samuel D. Dupuy, J. Jason Collier, Zachary A. Levine, Michael D. Karlstad, Thanh D. Do

Division of Basic Science Faculty Publications

Despite being relatively benign and not an indicative signature of toxicity, fibril formation and fibrillar structures continue to be key factors in assessing the structure-function relationship in protein aggregation diseases. The inability to capture molecular cross-talk among key players at the tissue level before fibril formation greatly accounts for the missing link toward the development of an efficacious therapeutic intervention for Type II diabetes mellitus (T2DM). We show that human α-calcitonin gene-related peptide (α-CGRP) remodeled amylin fibrillization. Furthermore, while CGRP and/or amylin monomers reduce the secretion of both mouse Ins1 and Ins2 proteins, CGRP oligomers have a reverse effect on …

Lgbtq Youth Homeless Shelter Challenging Perceptions And Interactions With The Built Environment, Mary Oliver

Honors Capstones

No abstract provided.

The Martyrdom And Monster-Ization Of The Mujahideen In The American Christian Mind, Katelyn Prescott

Honors Capstones

No abstract provided.

A Theoretical Calculation Of Stacking Fault Energy Of Ni Alloys: The Effects Of Temperature And Composition, Mohammad S. Dodaran, Shengmin Guo, Michael M. Khonsari, Nima Shamsaei, Shuai Shao

Faculty Publications

Combining cluster expansion (CE) method with one dimensional axial Ising model, this work investigated the effects of alloying elements and configurational variations due to temperature on the stacking fault energy (SFE) of FCC Ni binary alloys. Ensembles of large numbers of atomistic structures, each with more than ~400 atoms, were generated to consider sufficient long-range chemical disorder and temperature effects due to configurational entropy. A Monte Carlo Metropolis algorithm was used to generate these structures, whose energies were then evaluated based on the effective cluster interactions obtained from CE. As a baseline, this work had shown the SFE of pure …

Trichoderma Asperellum Inoculation As A Tool For Attenuating Drought Stress In Sugarcane, Daniele Scudeletti, Carlos Alexandre Costa Crusciol, João William Bossolani, Luiz Gustavo Moretti, Letusa Momesso, Brenda Servaz Tubaña, Sérgio Gustavo Quassi De Castro, Elisa Fidêncio De Oliveira, Mariangela Hungria

Faculty Publications

Drought stress is an important concern worldwide which reduces crop yield and quality. To alleviate this problem, Trichoderma asperellum has been used as a plant growth-promoting fungus capable of inducing plant tolerance to biotic and abiotic stresses. Here, we examined the effect of T. asperellum inoculation on sugarcane plant above and belowground development under drought stress and investigated the role of this fungus on inducing tolerance to drought at physiological and biochemical levels. The experiment was performed in pots under greenhouse conditions, with four treatments and four replicates. The treatments consisted of sugarcane plants inoculated or not with T. asperellum …

Capture And Metabolomic Analysis Of The Human Endometrial Epithelial Organoid Secretome, Constantine A. Simintiras, Pramod Dhakal, Chaman Ranjit, Harriet C. Fitzgerald, Ahmed Z. Balboula, Thomas E. Spencer

Faculty Publications

Suboptimal uterine fluid (UF) composition can lead to pregnancy loss and likely contributes to offspring susceptibility to chronic adult-onset disorders. However, our understanding of the biochemical composition and mechanisms underpinning UF formation and regulation remain elusive, particularly in humans. To address this challenge, we developed a high-throughput method for intraorganoid fluid (IOF) isolation from human endometrial epithelial organoids. The IOF is biochemically distinct to the extraorganoid fluid (EOF) and cell culture medium as evidenced by the exclusive presence of 17 metabolites in IOF. Similarly, 69 metabolites were unique to EOF, showing asymmetrical apical and basolateral secretion by the in vitro …

Gastrointestinal Microenvironment And The Gut-Lung Axis In The Immune Responses Of Severe Covid-19, Yun Yang, Weishan Huang, Yubo Fan, Guo-Qiang Chen

Faculty Publications

The global pandemic of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is an unprecedented threat to the human health. A close association of the digestive tract is implied by the high frequency of gastrointestinal syndromes among COVID-19 patients. A better understanding of the role of intestinal microenvironment in COVID-19 immunopathology will be helpful to improve the control of COVID-19 associated morbidity and mortality. This review summarizes the immune responses associated with the severity of COVID-19, the current evidence of SARS-CoV-2 intestinal tropism, and the potential involvement of gut microenvironment in COVID-19 severity. Additionally, we …

Physicochemical Properties Of High Protein Rice Flours And Application In A Cupcake, Ricardo Jose Santos Aleman

LSU Master's Theses

Rice (Oryza sativa L.) is an important ingredient for the development of gluten free bakery products. The quality of these types of products varies depending on the levels of rice amylose, particle size of the rice flour, grain length, water absorption rate and the used of other ingredients such as hydrocoillds. This research work aimed to develop a cupcake using high protein brown rice flour in combination with tapioca starch and potato starch of which the formulations were evaluated for textural properties (resilience, springiness, chewiness, cohesiveness and hardness), specific volume, color and sensory attributes, using a mixture design of Simplex-Centroid …

Structure-Activity Relationship Analysis Of Psychedelics In A Rat Model Of Asthma Reveals The Anti-Inflammatory Pharmacophore, Thomas W. Flanagan, Gerald B. Billac, Alexus N. Landry, Melaine N. Sebastian, Stephania A. Cormier, Charles D. Nichols

Division of Basic Science Faculty Publications

Psychedelic drugs can exert potent anti-inflammatory effects. However, anti-inflammatory effects do not appear to correlate with behavioral activity, suggesting different underlying mechanisms. We hypothesized that the distinct structural features of psychedelics underlie functionally selective mechanisms at the target 5-HT2A receptor to elicit maximal anti-inflammatory effects. In order to test this hypothesis, we developed a new rat-based screening platform for allergic asthma. Next, we investigated 21 agonists at the 5-HT2A receptor from the three primary chemotypes (phenylalkylamine, ergoline, and tryptamine) for their ability to prevent airways hyperresponsiveness as a measure of pulmonary inflammation. Furthermore, we assessed each drug for in vitro …

Aspire To Inspire: A Mentoring Program's Efforts To Inspire Disconnected African American Male Students To Aspire To Their Goals., Khristopher Keon Hobbs

LSU Doctoral Dissertations

ABSTRACT

This study was designed to explore, record, explain and describe the lived experiences of African American male students engaged in mentorship programs for post-secondary education. This study takes an exploratory phenomenological approach to research and is conducted at a mentorship program site. The following research questions guided this study and provided insight into participant’s experiences:

1. How do Black males describe their experience in a holistic mentorship development program that prepares them for post-secondary educational success?
2. How were aspirations for post-secondary education cultivated among Black male students who are currently enrolled in high school and entering their first year in …

Development Of Pudding And Gravy With Rice Starch, Stearic Acid And Lysine, Andrea Suazo Rosales

LSU Master's Theses

Starch is a common ingredient used in the food industry for many products. This study was focused on developing products (gravy and pudding) with a clean label starch. The clean label starch was prepared with rice starch, 1% stearic acid, and 6% lysine, which was gelatinized, freeze-dried, and grinded. Both products were made with three different starch types: rice starch, commercial modified starch, and clean label starch. These starches were analyzed with DSC, SEM, Megazyme Amylose/Amylopectin kit, and RVA. With the results from the RVA, SEM, and DCS it is inferred that the freeze-drying process has altered the structure of …

Five Love Languages: Assessment Of Marital Satisfaction In African American Couples, Freddricka C. Lee

LSU Master's Theses

This mixed-methods study examined marital satisfaction among five (n = 10) heterosexual, African American married couples. In particular, this study examined how acknowledging a partner’s love language (Chapman, 1995) can affect these couples’ level of marital satisfaction. The participants were native to the South and ranged from 26-55 years of age. Quantitative and qualitative analysis of the data revealed couples were satisfied with their marriages. Although only marginally significant, the findings also revealed acknowledging a spouse’s love language was positively related to higher levels of marital satisfaction. Seven themes emerged throughout the interviews, namely communication; financial stability; understand a spouse’s …

The One – Way (Agri)Cultural Mirror: A Case Study Of How Young Agriculturalists Understand And Experience Culture, Janiece M. Pigg

LSU Master's Theses

As the global economy continues to transform how society operates, cultural competence has become a buzzword in education, professional development, research, government, and healthcare (Gay, 1994; Gallus et al., 2014). Cross et al. (1989) developed the most accepted definition of cultural competence: “a set of congruent behaviors, attitudes, and policies that come together in a system, agency, or among professionals and enable that system, agency, or those professionals to work effectively in cross-cultural situations” (p. 13).

Despite this, little to no research has been devoted to understanding cultural competence in agriculture. Thus, a need emerged to describe the cultural competence …

How Teachers Identify Characteristics Of The Reggio Emilia Philosophy In Practice: A Case Study, Autumn E. Smith

LSU Master's Theses

The Reggio Emilia philosophy has been guiding early childhood practices since its development by Loris Malaguzzi in 1963. Originating in Reggio Emilia, Italy, this approach to early childhood education emphasizes building and nurturing relationships between the adult and child. This philosophy is guided by eight core tenets – The Environment as the Third Teacher, 100 Languages of Children, Long-Term Projects, Teacher-Researcher, Image of the Child, Negotiated Learning, Documentation, and Social Relations. Research shows that young children’s engagement with the Reggio Emilia approach benefits their academic, cognitive, and social-emotional development. However, there is currently no school accreditation or teacher certification …

Integration And Analysis Of Gaze Behavior In Augmented Reality, George Villaume

Honors Capstones

No abstract provided.

Defusing Polarization: The Politics Of Medicaid Expansion In Louisiana, Sarah Procopio

Honors Capstones

No abstract provided.

Evaluation Of Two Artifacts Related With The Duration Of Rna-Protein Immunoprecipitation Experiments, Kevin Avanzino

Honors Capstones

No abstract provided.

Human Rights As A Means To Peace: Why The Un Security Council Should Lead On Human Rights, Arden Hooper

Honors Capstones

No abstract provided.

The Importance Of Therapist-Client “Matching” On Client Experiences, Alexandra Chetty

Honors Capstones

No abstract provided.

United States’ Education And The Creation Of The Neoliberal Subject, Sam Stewart

Honors Capstones

No abstract provided.

The Effect Of [Ca2+] On Reducing The Impacts Of Salt Stress In Plant Growth Using A Stress Sensitive Model, Arabidopsis Thaliana And A Stress Adapted Model, Schrenkiella Parvula, Megan Alyssa Guilbeau

Honors Capstones

No abstract provided.

Social Determinants Of Health: Analyzing Access Barriers In Healthcare For Hispanic/Latinx Immigrants In East Baton Rouge Parish, Abigail Dorow

Honors Capstones

No abstract provided.

The Ldoe’S Innovative Assessment Pilot: Bridging Or Widening The Gap?, Eric Forbes

Honors Capstones

No abstract provided.

Understanding The Story Behind The Story: A Comparative Textual Analysis Of Newspaper Coverage Following Mob Violence In 1921 Tulsa, Oklahoma And 2020 Minneapolis, Minnesota, Justin Franklin

Honors Capstones

No abstract provided.

Industrial Emission Patterns: A Study Of Two Refineries In Louisiana, Khanh Vu

Honors Capstones

No abstract provided.

A Whole New World: Creating A Digital Environment For Musical Entertainment, Meredyth Yorek

Honors Capstones

No abstract provided.

Jazz Art: Flow Psychology And The Individual Creative Process, Isabelle Zoch

Honors Capstones

No abstract provided.